Product name
Factory direct roller shutter door accessories springs
Material
Stainless steel, spring steel, music wire
Surface treatment
Zinc Plating, Powder spraying, Chemical oxidation
Production time
10-12 days
Packing
Plastic Bag+Carton Box
Application
Industry,Residential garage door,commercial rolling shutter door
Size
1 3/4'', 2'', 2 1/4'',2 5/8'', 3 3/4'' or at customers' request
Keywords
Factory direct roller shutter garage door torsion spring For Sale